Liu Tan knew he would come to ask, so he gave the craftsmen the drawings and asked them to build one according to them.
The most difficult part is probably the bearing position.
It is not easy to achieve smooth rotation and wear resistance. However, since it is just a model, this product is made of wood. If bronze is used, it will probably take many days to create a model. As for iron... forget it.
There are no blacksmiths in Shuofang. Well, when Liu Tan first found out about this, he was really surprised and surprised.
But if you think about it, there is nothing surprising. The melting point of iron is much higher than that of bronze. Judging from the current situation of Shuofang, it is definitely not able to support it.
As for other places in the northern country, there may be some, but even if there are, we can't wait.
Anyway, bronze craftsmanship is more mature now, so Liu Tan doesn't force it. He will lay a solid foundation first and then talk about other things.
Wei Buyi watched as Liu Tan turned the handle of the turning wheel to make the belt in the middle rotate back and forth. He was so curious that he couldn't help but stretch out his paw to turn it twice.
Seeing his foolish look, Liu Tan couldn't help but say, "The principle behind this thing is no different from a wheel. Just imagine the road as something that can rotate, and the wheel is fixed in one place, isn't that right?"
Wei Buyi looked at Panche and then at Liu Tan, with a look of wanting to say something but stopping himself.
Liu Tan was helpless: "Ask whatever you want to ask."
Wei Buyi asked quietly, "But Your Highness, the water plus the bucket must be very heavy, right? How can we ensure that this road... does not fall?"
Liu Tan paused for a moment, and suddenly realized that this question seemed... quite important.
Metal chains did not exist in those days, so if you wanted to use a turntable, you had to create a metal chain that was tough enough, and at the same time, you had to ensure that even if the chain broke, it would not fall off and cause an accident.
Think about it, no matter how light a bucket filled with water is, it still has a certain weight. If it rolls down from above, it will bring with it an impact force. If it hits someone, it will be a minor injury, and you may even lose your life if you are not careful.
Therefore, the chain must also have a safety measure, preferably a double-layer chain.
Then there is a problem. In this case, the chain belt also needs an axle, and it is much more sophisticated than the main part of the winch.
Liu Tan is not sure whether it can be done, and even if it can be done, it may not be able to be mass-produced. Things like chain belts that are used for a long time will inevitably wear out very seriously, and may need to be replaced in a short time, so it is very likely that the production capacity cannot keep up with the use.
Therefore, this method must be abandoned. If this method is abandoned, it will be impossible to bring water up and take empty buckets down at the same time while a winch is running.
Then we can only use the most ancient method, which is to use two carts, one to carry water and the other to carry empty buckets.
Liu Tan threw the previous plan aside with some regret, and at the same time comforted himself mentally, don't be anxious, the current productivity is not enough, even if you want to develop industry, you need to have a foundation, no matter what it is, it is impossible to achieve success overnight.
After changing the plan, Wei Buyi clearly understood the principle of this thing. In his words, "Oh, isn't this the well wheel?"
Liu Tanxin was a little tired, okay, the principle was the same anyway, there was not much difference.
After solving the problem of the well wheel, oh, the problem of the disc, Wei Buyi finally had no problems and happily went to enclose the land with Liu Tan's instructions.
Liu Tan said to him, "You should have someone check this place first and circle it off. I need it."
What he was talking about was the industrial zone. Since Huo Guang didn't care about it anymore, it meant that Liu Tan could do whatever he wanted. Although the plan had not been obtained yet, he could enclose the land first.
Because the coal mine had not yet been opened, Wei Buzhi's men had some free time. After seeing this, they agreed very straightforwardly and left.
At this time, the first batch of bricks also came out.
Liu Tan is quite looking forward to the turnaround of this batch of bricks. This batch of bricks does not use the cooling method of blue bricks. In fact, the difference between blue bricks and red bricks lies in the cooling method.
Red bricks are naturally cooled, while green bricks are water-cooled, which is the legendary oxygen-deficient cooling.
Red bricks are relatively simple. Although blue bricks are superior to red bricks in terms of resistance to oxidation, hydration and atmospheric erosion, Liu Tan's batch of red bricks are mainly used to build walls and the like. When there are no problems with the red bricks, he will naturally make blue bricks. His palace... still has to use blue bricks. Even if he wants to use red bricks, I am afraid Huo Guang and others will not agree.
Li Buyan looked particularly proud when he came over with a few bricks. No matter what, he now had a finished product, which was considered to be completing Liu Tan's instructions. Not to mention whether Liu Tan would reward him or not, the feeling of being rewarded after hard work was very refreshing.
Liu Tan chuckled at Li Buyan's expression, then asked, "Did you bring both?"
Li Buyan nodded seriously. The two types Liu Tan mentioned were actually red bricks made from clay that had not been trampled by cows.
Although that batch of bricks might be useless, Liu Tan did not let them be thrown away. It was originally an experiment, so he could make a comparison to see if there were any differences in various aspects.
If there is, then continue with the new method. If not, then it’s good to have one less step.
Li Buyan put down the two bricks in his hands and said, "Your Highness, even though they have been trampled by cows, there are still pores on the red bricks."
Liu Tan nodded: "This is unavoidable."
These pores are actually small pores, which are different from the previous bricks that look like hollow bricks. Small pores don’t matter. Bricks cannot be used alone. They must be used with cement. You can use cement to level them when the time comes.
Li Buyan was relieved to see that Liu Tan was not angry and said, "Although there are still air holes, the bricks made later are much stronger than the previous ones."
As Li Buyan spoke, he took a red brick with many large holes, held both ends with both hands and broke it hard. In an instant, the red brick split into two, revealing the very uncomfortable interior.
Li Buyan said: "This one won't do, it's too brittle. This one is fine."
From the other brick, it can be seen that Li Buyan used a lot of strength. He tried to break it with his bare hands for a long time but failed. In the end, he found a place to support the middle part of the red brick and finally broke it.
Liu Tan looked at the two pieces and turned his head, then suddenly laughed.
Li Buyan was a little confused when he laughed: "Your Highness?"
Liu Tan pointed to the brick he had just broken and said, "If you take this to the streets and perform a show of breaking bricks with your bare hands, it will definitely be popular."
Li Buyan: ?????
Just when Li Buyan was looking bewildered, Huo Guang came over and asked, "Who wants to perform?"
Liu Tan recounted what had just happened. Huo Guang was somewhat surprised: "How could there be such a huge difference? Fortunately, Your Highness was careful, otherwise using this kind of brick would have caused great losses to the people."
Liu Tan nodded: "Who said it wasn't true? Why did Prime Minister Huo come here suddenly?"
Huo Guang looked helpless. "This... is the industrial zone plan that Your Highness requested earlier. If there's anything you don't like, we can change it."
Liu Tan took the piece of paper he handed over and raised an eyebrow at the handwriting on it and asked, "Was this done by Prime Minister Huo himself?"
Huo Guang casually replied, "I asked my subordinates to make a rough outline, and I have elaborated on it so that they would know what Your Highness likes."
Liu Tan couldn't help but put his hand on Huo Guang's shoulder and said, "Our Prime Minister Huo is really omnipotent."
Huo Guang lowered his eyes to look at the white hand on his shoulder, hesitated for a moment and said nothing. If it were someone else, he would have thrown it aside by now. This action was really indecent.
However, Liu Tan just maintained this indecent posture to look at the picture, and Huo Guang even indulged him by holding the other side.
Liu Tan started to discuss with Huo Guang in this posture, of course, mainly on the underground drainage facilities. When the city was built in the Western Regions before, due to the haste, the drainage facilities were not kept up at all. This time, after the city was built, it was obvious that it would take many years to use. Basically, as long as the mines were not exhausted, the city would not be destroyed.
Therefore, Liu Tan had to make great efforts to build drainage and commercial areas. Huo Guang had not originally planned this. He just wanted a city dedicated to workers and even slaves. Why would he need a commercial area?
However, he couldn't persuade Liu Tan, so he had to add it in.
Just as Liu Tan was still pondering where to leave space, Wei Buyi suddenly ran in excitedly and said, "Your Highness, Your Highness, the place you chose..."
Liu Tan couldn't help but feel nervous when he heard this. He leaned closer to Huo Guang and asked, "What's wrong?"
Wei Buyi held two stones in his hands and said, "We've discovered an agate mine!"
Liu Tan's mouth twitched. Just as he was about to say something, Huo Guang turned stiffly and asked, "Your Highness, we didn't find any mineral deposits in the place you chose before."
So you did it on purpose?
Liu Tan: Do you blame me?
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